Guinness World Records, also known until 2000 as The Guinness Book of Records, is essentially a reference book published annually, containing a collection of world records, both human achievements and the extremes of the natural world. In addition to holding the world record as the best-selling copyrighted series of all time, it's also one of the most stolen books from public libraries in the United States. Continue reading for more fascinating and random facts you probably didn't know about.